Lub raj plaub fabyog ib hom hollow square section steel tube, tseem hu ua square tube,lub raj plaub fabNws cov lus qhia tshwj xeeb yog qhia hauv hli ntawm sab nraud txoj kab uas hla * phab ntsa tuab. Nws yog ua los ntawm cov hlau kub dov los ntawm kev dov txias lossis kos duab txias.
Kev siv cov yeeb nkab seamless square:
Cov duab plaub fab tsis muaj qhov sib txuas thiabyuantai lub rajsiv dav. Nws feem ntau siv los tsim cov khoom siv thiab cov khoom siv kho tshuab, xws li cov yeeb nkab roj, lub qhov kis tau tus mob ntawm lub tsheb, lub thav duab tsheb kauj vab thiab cov hlau scaffolding siv hauv kev tsim kho, uas yog ua los ntawm cov hlau carbon zoo los ntawm kev dov kub lossis kos txias, thiab feem ntau yog siv ua cov yeeb nkab lossis cov khoom siv los thauj cov kua.
Hom raj seamless rectangular:
1. Raws li cov khoom siv, nws muaj peev xwm muab faib ua cov hlau carbon zoo tib yam thiab cov hlau tsis tshua muaj zog siab. Cov ntsiab lus carbon ntawm tus qub yuav tsum tsis pub tshaj 4.5%; sulfur ≤ 0.035; phosphorus ≤ 0.005; chromium ≤ 0.15; nickel ntsiab lus <0.25; tooj liab ≤ 0.30; Tus tom kawg muaj me me ntawm silicon, manganese thiab vanadium ntxiv rau carbon, sulfur, phosphorus thiab chromium.
2. Raws li qhov zoo ntawm qhov chaw:
(1) Qhov Tiav:
1 Cov nplaim sab hauv thiab sab nraud ntawm lub raj xa dej tsis muaj qhov tsis sib xws yuav tsum du thiab tiaj tus yam tsis muaj npuas thiab wrinkles.
2 Thaum thaj tsam sab hauv tsawg dua 100 mm2, qhov kev kam rau siab ntawm thaj tsam sab hauv yog ± 0.2 hli.
3 Thaum thaj tsam sab hauv loj dua 100 mm2, qhov kev kam rau siab ntawm thaj tsam sab hauv yog ± 0.5 hli.
4 Tsis pub muaj qhov tawg lossis qhov quav rau sab hauv; 5 Yuav tsum tsis muaj qhov caws pliav 6 Tsis muaj qhov khawb thiab qhov txhab pom tseeb.
(2) Kev tiaj tiaj:
1 Cov nplaim sab hauv thiab sab nraud ntawm cov raj xa dej tsis muaj seamless yuav tsum tiaj tus thiab du.
2 Yuav tsum tsis muaj qhov tsis sib xws thaum pom nrog lub iav tsom iav 10X.
3 Lub ntsej muag kawg ntawm lub nozzle yog perpendicular rau lub plawv ntawm lub yeeb nkab.
4 Lub ntsej muag kawg ntawm lub yeeb nkab qhov yuav tsum tsis muaj burrs.
5 Yuav tsum tsis muaj qhov wrinkle ntawm qhov khoov ntawm cov yeeb nkab.
6 Ob sab kawg ntawm cov yeeb nkab yuav tsum sib luag.
7 Tsis pub muaj qhov pom tseeb ntawm qhov vuam tom qab tshem tawm xeb.
8 Yuav tsum tsis txhob muaj qhov av pom tseeb.
9 Tsis pub muaj qhov tsis zoo uas cuam tshuam rau kev siv.
10 Thaum siv lub tshuab dov phaj rau kev vuam, lub vojvoog ntawm qhov vuam yuav tsum tsis pub tsawg dua qhov tuab ntawm cov hlau puag.
(3) Qhov tseeb ntawm qhov ntev:
1 Qhov yuam kev ntawm qhov sib npaug yuav tsum tsis pub tshaj qhov siab tshaj plaws uas tau teev tseg hauv tus qauv sib xws los ntawm ntau dua 2 hli / m2.
2 Qhov ncaj thiab lub kaum sab xis yuav tsum tsis pub tshaj 1/20 ntawm qhov siab tshaj plaws uas tau teev tseg hauv tus qauv sib xws.
3 Qhov kev txwv ntawm qhov ntev yuav tsum tsis pub ntau tshaj 1.5 npaug ntawm tus nqi teev tseg.
Kev tswj xyuas zoo ntawmyuantai yeeb nkab hlauyog nruj heev, yog li cov neeg siv khoom tuaj yeem xaiv nrog kev ntseeg siab.Yuantai tuam txhabTau txais 77 daim ntawv pov thawj patent,Yuantai steeltau yeej ib tus yeej ntawm kev lag luam raj plaub fab rau 10 xyoo sib law liag,
Yog tias koj yuav tsum tau txaisyuantai steel yeeb nkab nqeThov hu rau peb.
Lub sijhawm tshaj tawm: Lub Kaum Ob Hlis-09-2022
